House of Hauteville-Salviati

The House of Hauteville-Salviati was a branch of the House of Hauteville and the House of Salviati formed when Guido Salviati was adopted by Prince Simon of Sicily.

History
In 1112, wealthy nobleman Guido Salviati of the House of Salviati was adopted into the House of Hauteville by Prince Simon of Sicily. The House of Salviati was a Florentine banking family, and the House of Hauteville ruled the Kingdom of Jerusalem, Duchy of Normandy, and the Kingdom of Sicily.

Salviati became the heir apparent to the throne of Sicily upon the accession of Simon to the throne in 1136, and he married into the Portuguese House of Burgundy when he married Maria of Portugal, making an alliance between Sicily and Portugal. With this alliance, the House of Hauteville-Salviati gained much influence in two countries, as they had several family members in two countries.